Your ex is in a new relationship — and the news hit you like a punch to the gut?
You thought you had moved on. Then you saw the photo, the story, the text from a friend. And everything collapsed. The pain of the breakup came flooding back, more violent than before. You compare, you idealize, you wonder what that person has that you don't. You ruminate. You stalk their social media. You can't let go.

What you're going through has a name: reactivated grief. Learning that your ex has moved on reopens the original wound and adds a new layer of loss — the loss of hope. This book helps you navigate this ordeal and turn it into a springboard for your own rebirth.

Written by a CBT psychotherapist, this guide draws on the Kubler-Ross grief model, Fisher's research on the brain in love, and cognitive restructuring protocols.

What you'll discover in this book
Understanding why it hurts so much:

Reactivated grief: why learning your ex is with someone new reopens the wound — even months later
Idealizing your ex: the selective memory bias that turns an imperfect relationship into a lost paradise
The brain in love withdrawal: dopamine, cortisol, and the same circuits as substance addiction
Toxic comparison: why you devalue yourself against the new partner
Digital stalking: the vicious cycle that feeds suffering with every scroll

Navigating the ordeal and rising again:

Digital detox: a gradual protocol to cut the virtual bond without relapsing
Restructuring intrusive thoughts: cognitive techniques to stop rumination
Rebuilding self-esteem: you haven't been replaced — you've been set free
Peaceful co-parenting: when children require you to stay in contact with an ex who has moved on
Turning pain into momentum: the 30-day rebirth plan
Learning to love again without fear: building a new relationship on solid foundations

A book grounded in practice
This is not a theoretical book. Each chapter contains:

Detailed case studies — 15 clinical stories (Sarah, who learns her ex she still loved is expecting a child; Antoine, paralyzed by retrospective jealousy; Djamila, who must manage her ex's new partner in front of their children; and 12 other journeys)
Practical exercises — 8 exercises per chapter: digital detox journal, unsent letter, Beck's column technique, closure ritual, rebirth plan, identity reconstruction grid
Verified scientific references — Every concept is supported by the most recent publications in clinical psychology

Who is this book for?

You just found out your ex is in a new relationship and the pain is unbearable
You can't turn the page no matter how many months go by
You stalk your ex on social media and you know it's destroying you
You need to co-parent with an ex who has moved on
You're a mental health professional looking to deepen your practice

"Your ex didn't find someone better. Your ex found something different. And you will find your own path."

About the author

Gildas Garrec is a CBT psychotherapist. Author of over 470 articles on psychologieetserenite.com, he has developed a comprehensive ecosystem of online therapeutic tools: 68 psychological tests, 8 structured programs, and ScanMyLove, a couple's conversation analysis tool based on 14 clinical models.

"The Essentials of Applied Psychology" collection — 13 books to understand, take action, and move forward.

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